ISSN: 2451-0629
Archives of Medical Science - Atherosclerotic Diseases
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Official journal of the International Lipid Expert Panel (ILEP)
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1/2020
vol. 5
 
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abstract:
Clinical research

Is there a relationship between epicardial fat tissue thickness and Tp-Te/QT ratio in healthy individuals?

Mücahid Yilmaz
1
,
Hidayet Kayançiçek
2
,
Nevzat Gözel
3
,
Ertuğrul Kurtoğlu
4
,
Özlem Seçen
1
,
Pınar Öner
5
,
Yusuf Çekici
6
,
Mehmet Nail Bilen
1
,
Suat Demirkıran
2
,
Ökkeş Uku
1

1.
Department of Cardiology, Elazığ Education and Research Hospital, Elazığ, Turkey
2.
Department of Cardiology, Elazığ Medical Park Hospital (Affiliated with Istinye University), Elazığ, Turkey
3.
Department of Internal Medicine, Fırat University School of Medicine, Elazığ, Turkey
4.
Department of Cardiology, Malatya Education and Research Hospital, Malatya, Turkey
5.
Department of Microbiology, Elazığ Education and Research Hospital, Elazığ, Turkey
6.
Department of Cardiology, Dr. Ersin Arslan Education and Research Hospital, Gaziantep, Turkey
Arch Med Sci Atheroscler Dis 2020; 5: e127–e139
Online publish date: 2020/06/05
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Introduction
Epicardial fat is a tissue that releases many proinflammatory and atherogenic mediators, with endocrine and paracrine effects on the heart. In this study, the implication of the EFT thickness (EFTt) on transmural dispersion of repolarisation (TDR) was analysed utilizing the T-wave peak to end interval (Tp-Te), the Tp-Te dispersion (Tp-Te (d)), and the Tp-Te/QT ratio.

Material and methods
One thousand seven hundred and thirteen subjects were enrolled in the research. The subjects were chosen to be healthy individuals, without any cardiovascular/systemic disorders or risk factors for atherosclerosis. Transthoracic echocardiography (TTE) was applied to all subjects, and EFTt was measured in both diastole and systole. The ECG measurements were taken from standard 12-lead surface ECG.

Results
Correlation analysis revealed that the EFTt is highly associated with the Tp-Te interval, Tp-Te/QT ratio, Tp-Te (d), increasing age, body mass index (BMI), body surface area (BSA), left ventricular (LV) mass, LV mass index, plasma glucose during fasting, triglycerides, and low-density lipoprotein cholesterol.

Conclusions
The study results showed that increased EFTt was associated with increased TDR values of Tp-Te, Tp-Te (d), and Tp-Te/QT ratio, even in the absence of other factors that could increase TDR and EFTt. Therefore, it can be stated that increased EFTt may cause an increase the risk for ventricular arrhythmia.

keywords:

fat tissue of epicardium, repolarisation inhomogeneity of ventricle, predisposition to ventricular arrhythmia

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